circuit block 中文意思是什麼
circuit block
解釋
電路部件-
This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system
信號系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的信號系統? ?列車運行自動控制系統（ atc ）的組成和結構，對其三個子系統：列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和比較。 -
Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically
首先，採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集，並根據不同類型的繼電元件對應的cad圖塊結構的不同，得到電氣原理圖中元件接線端子之間的連接關系;其次，根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格，並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;最後，提出了完全無向圖中經過每個頂點一次且僅一次的優化路徑演算法，利用該演算法和經過預處理的prim最小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。 -
In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。 -
I plant located in the country ' s largest production base metal screen, guarding block mass production, circuit block, gelizha, net films, the main products for the highway, railway, gardens, streets, municipal, sports venues and building
我廠位於全國最大的金屬絲網生產基地，大量生產護攔網、圍攔網、隔離柵、網片等，產品主要用於高速公路、鐵路、園林、街道、市政、體育場所、建築等。 -
The capacitance offset averaging network is used in the distributed track - and - hold circuit block of the designed system. finally, according to the analysis on error effects in adc, the mathematics error model is simulated. furthermore, the input - output characteristics including input -
最後，基於對a / d轉換器系統中誤差的分析，對其誤差數學模型進行了模擬，得到了包含延遲、限幅、諧波失真等誤差的輸入輸出特性曲線。 -
The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.
目的是用鎖相環電路? pll和dll （延遲鎖相環）實現usb2 . 0收發器宏單元utm的時鐘恢復模塊。其中pll環路構成的時鐘發生器將外部晶振的12mhz正弦信號生成60mhz 、 120mhz 、 480mhz等本地時鐘信號。 dll環路依據本地時鐘信號對外部數據信號進行時鐘恢復。 -
In general, the thesis covers the following aspects : first, in accordance with the property of variable tuning optical attenuator ( voa ), which is analyzed and discovered through diffraction theory, selected block plate and made attenuator, and achieved satisfactory effect by experiment in light transportation circuit
針對可調型機械擋光衰減器的擋光特點，從衍射理論的角度分析和發現該器件的衰減特徵，並根據該特徵選擇擋光片，製作了衰減器。在傳輸光路上試用，獲得了較好的效果。 -
In the passive circuit part, according to the theories of microstrip line and coupled microstripwe, the characteristic of microstrip and coupled microstrip was analyzed, the x band filter and dc block circuit of amplifier have been designed by hp - ads software
為毫米波設備提供本振源。在無源電路部分，我們首先對微帶線、耦合線等基本理論作了簡單的介紹。 -
Based on this method, design the system oil circuit and constant - pressure hydraulic power station as well as the hydraulic manifold block, measuring platform, electrical cabinet and reclaiming oil tank
在此油源方案的基礎上，設計出測量系統油路、油源泵站系統，同時進行了液壓集成塊、測量臺架、電氣控制櫃和漏油回收油箱的設計。 -
It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit
在此基礎上，針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析，詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容，並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析，給出了數字軌道電路長度的推薦值。 -
This dissertation is supported by the following projects : national foundation for science research on the theory of sub - deep micro and super high speed multimedia chip design " ( no. 6987601 0 ) national foundation for high technology research & development " interface of vlsi ip core and related design technology " ( 863 - soc - y - 3 - 1 ) a - national r & d programs for key technologies for the 9th five - year plan research on high level language description and embedded technology for mcu " ( 97 - 758 - 01 - 53 - 08 ) national foundation for the ministry of education, prc " research on the optimal theory and methodology of soc software / hardware integration co - design and co - verification " ( moe [ 2001 ] 215 ) national foundation for science and technology publication " design of interface circuit for computer with verilog " [ ( 99 ) - f - l - 011 ] a deep research on system level design methodology of 1c and the design technology of mcu - ip and interface ip are made in this dissertation. the main work and achievements are as follows : 1 building block principle and the building block component maximum principle are brought forward based on the research of developing history of ic design
本文基於以下科研項目撰寫：國家自然科學基金「深亞微米超高速多媒體晶元設計理論的研究」 （ 69876010 ）國家863計劃「超大規模集成電路ip核介面及相關設計技術」 （ 863 - soc - y - 3 - 1 ）國家「九五」重點科技攻關「 mcu高層語言描述及其嵌入技術研究」 （ 97 - 758 - 01 - 53 - 08 ）國家教育部「 soc軟硬體集成協同設計和驗證優化理論和方法研究」 （教技司[ 2001 ] 215 ）國家科技學術著作出版基金「 verilog與pc機介面電路設計」 （ 99 - f - 1 - 011 ）論文的主要工作和取得的成果如下： 1 、在研究集成電路設計方法學發展歷史的基礎上，提出了設計的積木化原則和積木元件最大化原則。 -
The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency
本課題研究內容：在不要點，不開天窗，不中斷行車，不中斷被測區段牽引電流的情況下，在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓，移頻信號（調頻信號）的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。 -
Some sub - block circuits ( error amplifier, soft - start, enable comparator and under - voltage protection circuit ) are designed and several electrical characteristics are simulated using hspice. finally, the whole chip performance is simulated. and the results show the satisfaction to both function targets and characteristics
在子電路設計中，本論文只對其中的誤差放大器、軟啟動電路、使能比較器和欠壓保護四個子電路進行了電路原理分析與設計，並在此基礎上，運用eda軟體hspice對各功能模塊的各項指標、參數進行了模擬、分析。 -
The tapped line input output block with compact structures and flexible design method, was studied by many designers in the sixties and seventies of last century. but it is because the weak precision, hard tuning and long design period of traditional equivalent circuit method influences the development and wide use of this block
抽頭式輸入輸出單元，以其緊湊的結構形式，靈活的設計方法，早在上世紀六七十年代就被許多人員研究，但是由於等效電路法分析該單元的精度較差、調試難度大、研製周期長等原因，影響了抽頭式微波濾波器的廣泛應用。 -
Consequently, an integrate switch mode power supply with high efficiency and good reliability can be realized by the controller with very few external parts. the fundamental principle of monolithic voltage - mode switching regulator is firstly introduced in this thesis, which is followed by a comparison between voltage - mode and current - mode converters where the pros and cons of both converters are discussed in detail ; next, the global system architecture is proposed upon the design requirements and sub - block circuits are also introduced that focuses on several essential sub - blocks such as amp, wave, pwm control, psc, osc and vref. finally, all sub - circuits and the whole chip circuit are simulated by hspice whose results indicate that the circuit function and performance have perfectly satisfied the design requirements
在論文中，首先闡述了電壓控制模式pwm開關電源的基本原理，對比了電流控制模式和電壓控制模式，分析了各自的優缺點;隨后根據設計要求進行了電路的總體設計，完成了各個子電路的原理分析，電路設計和模擬驗證，重點闡述了誤差放大電路、三角波發生電路、 pwm控制電路、節能控制電路、振蕩電路和基準源電路的分析、設計和驗證過程;最後，利用eda軟體hspice對整體電路進行了功能模擬驗證，模擬結果表明，本文完成了設計工作，達到設計要求。 -
This model of valve overcomes such defects with the motor valve, piston - type electromagnetic valve as the post - wear defective closure due to the mechanical movement, the soft membrane full of elasticity, the balance hole can not close water because the foreign matters and mud sand accumulate and block it up etc., the highly effective use of the unique circuit greatly raises the reliability of the switch, extensively used for ic card watermeter, infrared induced sanitary utensils, etc
Fck - 118 ：進水口出水口為1寸25內螺紋該型閥克服了如電機閥活塞式電磁閥機械運動磨損后的關閉不良。軟性膜片富有彈性，平衡小孔不會因雜質與泥沙的淤積堵塞使其關不住水，獨特線圈磁路的高效利用大大提高了閥開關可靠性，廣泛用於ic卡水表紅外線感應潔具等自動控水系統。 -
Based on an analysis on the present situation and development of three kinds of signal systems ( the point system based on interrogator responsor, the quasi - moving block system based on digital track circuit and the moving block system based on wireless data transmission ) in urban rail transit, some suggestions on the localization of signal system of urban rail transit are put forward
摘要在分析三種城市軌道交通信號系統制式（基於查詢應答器的點式系統、基於數字軌道電路的?移動閉塞和基於無線數據傳輸的移動閉塞）的現狀和發展基礎上，對實現我國城市軌道交通信號系統國產化提出建議。 -
The design flow and methodology of ip block is discussed and a memory interface circuit ( sgram interface ) is designed in chapter 4
第四章討論ipblock的設計流程和方法，並具體設計了一個存儲器介面電路（ sgram介面） 。 -
With the recent advent of deep submicron technology and new packing schemes, the components in the integrated circuit are often not rectangular. on the basis of the representation of corner block list, we propose a new method of handling rectilinear blocks. in this paper, the handling of the rectilinear blocks is simplified by transforming the l t - shaped block problem into the align - abutment constraint problem
尤其在深亞微米工藝設計中， ip模塊的廣泛使用和新的封裝工藝的使用使得集成電路器件並不局限於矩形的模塊，如數據電路模塊data path block由於其相互關聯的控制關系使其具有特殊的形狀l t型，這使得電路設計中需要考慮l t型模塊的處理。 -
This paper depend on stanford telecom corporation ' s new spread spectrum chip and intel corporation ' s 87c196 scm, designing correlation peripheral interface circuit and software model block. first of all, this paper designs the twice civil air defense alarm system ' s digital spread spectrum communication with stel - 2000a
本文以stanfordtelecom公司的最新擴頻產品stel - 2000a晶元和intel公司的87c196單片機為主，設計了相關外圍介面電路和軟體模塊。首先本文設計了用stel - 2000a實現二次人防警報系統的數字擴頻。
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